package com.wm.homework04;

public class Rectangle extends Shape{
    private double length;
    private double width;
    public Rectangle() {
    }

    public Rectangle(double length, double width) {
        this.length = length;
        this.width = width;
    }

    public double getLength() {
        return length;
    }

    public void setLength(double length) {
        this.length = length;
    }

    public double getWidth() {
        return width;
    }

    public void setWidth(double width) {
        this.width = width;
    }

    @Override
    public void area(){
        double area = this.length * this.width;
        System.out.println("长方形的面积为:" + area);
    }
}
